NTSB Identification: MKC84FA097.
The docket is stored on NTSB microfiche number 24096.
Accident occurred Friday, March 09, 1984 in LEXINGTON, NE
Aircraft: TERATORN ACFT INC. TIERRA II, registration: UNK
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE PLT HAD FLOWN FROM CALLAWAY TO LEXINGTON, NE, EARLIER IN THE DAY. AFTER A SHORT VISIT, HE DEPARTED ON A RETURN FLT. A SEARCH WAS INITIATED WHEN THE ACFT DID NOT RETURN. ABOUT 5 HRS AFTER THE ESTIMATED TIME OF THE ACCIDENT, THE ACFT WAS FOUND WHERE IT HAD CRASHED ON ROLLING TERRAIN. SEARCH PERSONNEL REPORTED THERE WAS SNOW ON THE WRECKAGE WHEN IT WAS FOUND. AT KEARNEY & GRAND ISLAND, NE, REDUCED CEILINGS & VISIBILITIES WITH SNOW & FOG WERE REPORTED NEAR THE TIME OF THE ACCIDENT. AN EXAM OF THE WRECKAGE REVEALED THAT THE ACFT HAD CRASHED ON 3 DEG DOWNWARD SLOPING TERRAIN IN A WINGS LEVEL, SLIGHTLY NOSE LOW ATTITUDE, ON A HEADING OF 335 DEG. THE DESTINATION ARPT WAS LOCATED ABOUT 31 MI SOUTH-SOUTHEAST OF THE DEPARTURE POINT. THE ACFT WAS ORIGINALLY DESIGNED AS AN ULTRALIGHT VEHICLE WITH AN EMPTY WT OF 350 LBS. HOWEVER, IT WAS BUILT WITH LARGER TIRES & HAD A 6 GAL FUEL TANK INSTALLED.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

VFR FLIGHT INTO IMC..INADVERTENT..PILOT IN COMMAND


Contributing Factors

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

WEATHER CONDITION..SNOW

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